Kazakhstan has advanced to the United Cup mixed teams tennis tournament semifinals with an unassailable 2-0 lead over a German team playing without the injured world No. 2-ranked Alexander Zverev.

Coco Gauff and Taylor Fritz have led the U.S. into the semifinals of the United Cup mixed teams tennis event. Gauff's win over Zhang Shuai and Fritz's victory over Zhang Zhizhen ensured the team's progress.

The top-seeded pair of Coco Gauff and U.S. Open finalist Taylor Fritz of the United States are into the United Cup mixed teams tennis quarterfinals

The last meeting between the pair while representing their countries came at the Paris Olympics, with Vekic claiming a shock victory on her way to a silver medal, but Gauff was in control this time ar

Coco Gauff and Taylor Fritz teamed up in mixed doubles to defeat Leylah Fernandez and Felix Auger-Aliassime of Canada at the United Cup.

The top-seeded pair of Coco Gauff and US Open finalist Taylor Fritz of the United States are into the United Cup mixed teams tennis quarterfinals.

Title holders Germany were knocked out of the United Cup on Wednesday when they fell 2-1 against Kazakhstan in the quarter-finals in the absence of their injured top player Alexander Zverev. World number six Elena Rybakina opened the tie in Perth with a commanding 6-3,